Gentex SHG-24-HW Category : Gentex Unfortunately, the back cover of this horn is missing along with it’s model number, so I had to make a guess as to what its model is. Brand GentexModel SHG-24-HWManufacturer GentexType Alarm (Horn/Strobe)
Simplex 2901-9517 Category : SimplexThis is essentially the AC-powered version of the Simplex 2901-9833.
